Patents by Inventor Phyllis D. Wells

Phyllis D. Wells has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4925669
    Abstract: A therapeutic composition for veterinary use comprises a therapeutic agent associated by sorption and/or adsorption with a substrate selected from zeolites and pillared clays.
    Type: Grant
    Filed: November 16, 1987
    Date of Patent: May 15, 1990
    Inventors: Alan Dyer, Phyllis D. Wells, Craig D. Williams